INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '277ad1f3b384197d110be779e67283a179ecfaf05536d9027a982e1faf534544', 
    'RN5jtDfWdAWr8gfVYaGTSi21QyPZ2amFtvfANonSuCY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)