Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '144b673a24375ed3373b57ea5adbc0344e7c411d57c4f07d1fb460194a8bbbc7' 
  AND token = '+VPwZeXa2xcM0b1GW56tK6KiDNwem53QVD+gL0mWz1k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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