INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6346634019b1d254515877a16a12891c7fcb57857b799687112c2b1aef6c51b8', 
    '2vUuYKP7cqceegOdEhtGDFTj342VBmMIeypJwlnUAr0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)