UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YbFUDtg4m8grw5PK43FbC97S1bLHW9QJhbTzQW7XFdg=' 
WHERE 
  key_id = '7365c550f554be361ab052864014cb418aadd8170341758e62ce97f7d888d548' 
  AND (
    token = 'YbFUDtg4m8grw5PK43FbC97S1bLHW9QJhbTzQW7XFdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030