UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4TnHdq+lhiDT2F2UFAkAXI2K46TMLq0xkBmBmpSmyPA=' 
WHERE 
  key_id = '7ab7159602ecd47fad5e8ea3d0e8057fd869d3af800b01c36f07a4e618e318e9' 
  AND (
    token = '4TnHdq+lhiDT2F2UFAkAXI2K46TMLq0xkBmBmpSmyPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )