INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '304d1538b8a188018fd6186236513bbe510df9ba1da3b34caaa1b71a9e2d03a1', 
    'B+zdDDwB+MO7ewGhb0c1aMnxsmsZ8TrtIbb60wryQSk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)