UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cx0PzDVffHeFV6N1FIpxRCNqlyYe6sTsX4NBoSQuYjE=' 
WHERE 
  key_id = '936eb99e73f2778b18fc66630763865b882958ba71d5a9af81b8381db8612f98' 
  AND (
    token = 'Cx0PzDVffHeFV6N1FIpxRCNqlyYe6sTsX4NBoSQuYjE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )