UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L7QBp1c3mRMIemlsVAmr2wVlFoLSAeBVeS20pBuNO+U=' 
WHERE 
  key_id = '2a26e14ee06a42264c7a6d38f850c4a9315bbfb0c78c47489affb633ecfde238' 
  AND (
    token = 'L7QBp1c3mRMIemlsVAmr2wVlFoLSAeBVeS20pBuNO+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )