UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BUQOLN5jzeqI1nRrqk/m4IQ0f5/XpZ8IB42UbaHMXFg=' 
WHERE 
  key_id = '50c52c7a38221d8d7a954d2554f531e703b3008586048e23073589bc69fc683a' 
  AND (
    token = 'BUQOLN5jzeqI1nRrqk/m4IQ0f5/XpZ8IB42UbaHMXFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )