UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7NvBq9F+LNYaSIlgUTlaSKvzYfARg3AcbswEMIhJnUQ=' 
WHERE 
  key_id = '2c476e881e5b9766d3e7230d99540b679aed45dea0cc9b9a96ab76c79e939fac' 
  AND (
    token = '7NvBq9F+LNYaSIlgUTlaSKvzYfARg3AcbswEMIhJnUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )