INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51c0b2a3fec27b00822f28c49b69b8399dec58653b397dc66046b6328e1005b2', 
    '5ZsbCmU5iMGmFYdwMs1z1s3vfanGsh1IRT+TBk4CG+k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)