INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a51a5477744b3278a0034a4ea090623e7da140113283438c363735f32af34326', 
    'rkYVXhCItjbcSsu0Hfzy1aNOxBlD6d17uVSV+3tRddg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)