UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Bxv43FbB+hxfbFSOzBuFTTjiL5xV4/8mwfHug+pD+I=' 
WHERE 
  key_id = '79b9c6aba6bc4d0cde33e9d769bbe97aa95f53794e0763ea96f450d08f98fe79' 
  AND (
    token = '+Bxv43FbB+hxfbFSOzBuFTTjiL5xV4/8mwfHug+pD+I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )