UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Bc9dw+Lg3cdxXI9t0qh3rhISLbMriu7irwDz1stljI=' 
WHERE 
  key_id = 'a1db6c0b3eba4454729d712b86f5b26b4af2fbbc93f12fe8201c33f5d5f7d4b4' 
  AND (
    token = '4Bc9dw+Lg3cdxXI9t0qh3rhISLbMriu7irwDz1stljI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )