INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1421425500896c60a272abe486255e3ff54e9d68618448a343603f997babd775', 
    '1NU6phavsi4ilNAmvRADzXE/I5NZJWEtaTZKGFWR5ak=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)