UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mhGw8cMIuUKqd0Gz9gN0PjkXFGXkw287VFgBlrUZFik=' 
WHERE 
  key_id = '460e8de9214bc0f907863adfb7f4ab00bf859f16696580514cfbe0e1fda33d2f' 
  AND (
    token = 'mhGw8cMIuUKqd0Gz9gN0PjkXFGXkw287VFgBlrUZFik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )