INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c840fc658747a4ce60c8299411d817437393976e96c3081ed726e1954a989f2', 
    'UhQbRv3E0JS3QfcYvrKQ51FDcvMxWDiS5PA81wQ6P8A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)