UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iPHDGjSh5fSG9ZKySzhWnz+0fN17K5bldBvvGDwOwaQ=' 
WHERE 
  key_id = '50a6810ab84a2a6d9be74ca23f33a4fc84c999025a1ee715f0e3a20536507480' 
  AND (
    token = 'iPHDGjSh5fSG9ZKySzhWnz+0fN17K5bldBvvGDwOwaQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )