UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rkYVXhCItjbcSsu0Hfzy1aNOxBlD6d17uVSV+3tRddg=' 
WHERE 
  key_id = 'a51a5477744b3278a0034a4ea090623e7da140113283438c363735f32af34326' 
  AND (
    token = 'rkYVXhCItjbcSsu0Hfzy1aNOxBlD6d17uVSV+3tRddg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )