INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '273a4d90abc9b2a28d60b0dcbfac6bbbd01093f662be1ff37447c6530edbf73f', 
    'rnb6+JHV1fZzHg3YyJIMNkV6y0a3cuaDtv0rnUSie0E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)