Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e862c5e74fc84486c645c2e3a921f84977db99446e009adecee5674f2cc8ed20' 
  AND token = 'uG6JWIwscM2QAJp2x6z/zj5wnRVrgV9R875fBW/fyIY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}