Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '64ed4fd4b2c9b3a3f6628c8ff2894906660d83b33b38d6ea719e12816c8cebea' 
  AND token = '0XSdy4itjOJR4dey8AihH2wfnhP4WhpgzOtiwk28wKs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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